ATE549636T1 - DEVICE AND METHOD FOR MEASURING A MAGNETIC RESONANCE SIGNAL USING A HYBRID SENSOR CONTAINING A SUPERCONDUCTOR AND A MAGNETORESISTIC ELEMENT - Google Patents

DEVICE AND METHOD FOR MEASURING A MAGNETIC RESONANCE SIGNAL USING A HYBRID SENSOR CONTAINING A SUPERCONDUCTOR AND A MAGNETORESISTIC ELEMENT

Info

Publication number
ATE549636T1
ATE549636T1 AT07803925T AT07803925T ATE549636T1 AT E549636 T1 ATE549636 T1 AT E549636T1 AT 07803925 T AT07803925 T AT 07803925T AT 07803925 T AT07803925 T AT 07803925T AT E549636 T1 ATE549636 T1 AT E549636T1
Authority
AT
Austria
Prior art keywords
sample
measuring
magnetic resonance
resonance signal
magnetoresistic
Prior art date
Application number
AT07803925T
Other languages
German (de)
Inventor
Claude Fermon
Jacques Jacquinot
Myriam Pannetier-Lecoeur
Joseph Scola
Original Assignee
Commissariat Energie Atomique
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Commissariat Energie Atomique filed Critical Commissariat Energie Atomique
Application granted granted Critical
Publication of ATE549636T1 publication Critical patent/ATE549636T1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/09—Magnetoresistive devices
    • G01R33/093—Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34015—Temperature-controlled RF coils
    • G01R33/34023—Superconducting RF coils

Abstract

The system for measuring a magnetic resonance signal within a sample (4) placed in a static external magnetic field (H) includes an excitation device (1 to 3, 6 to 10) for applying high-intensity radio-frequency pulses at a predetermined emission frequency fe in a measurement zone containing the sample (4). The excitation device includes an excitation coil (3) tuned to the predetermined emission frequency fe and disposed in the vicinity of the sample (4) in such a way as to produce an electromagnetic field essentially perpendicular to the static external magnetic field (H). The system further includes at least a superconductive-magnetoresistive hybrid sensor (5) including a superconductive loop having a constriction adapted to increase significantly the current density and at least a magnetoresistive sensor placed in the immediate vicinity of said constriction (72) and being separated therefrom by an insulative deposit.
AT07803925T 2006-06-22 2007-06-22 DEVICE AND METHOD FOR MEASURING A MAGNETIC RESONANCE SIGNAL USING A HYBRID SENSOR CONTAINING A SUPERCONDUCTOR AND A MAGNETORESISTIC ELEMENT ATE549636T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0652599A FR2902891B1 (en) 2006-06-22 2006-06-22 SYSTEM AND METHOD FOR MEASURING A MAGNETIC RESONANCE SIGNAL
PCT/FR2007/051502 WO2007148029A1 (en) 2006-06-22 2007-06-22 System and method for measuring a magnetic resonance signal

Publications (1)

Publication Number Publication Date
ATE549636T1 true ATE549636T1 (en) 2012-03-15

Family

ID=37776629

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07803925T ATE549636T1 (en) 2006-06-22 2007-06-22 DEVICE AND METHOD FOR MEASURING A MAGNETIC RESONANCE SIGNAL USING A HYBRID SENSOR CONTAINING A SUPERCONDUCTOR AND A MAGNETORESISTIC ELEMENT

Country Status (6)

Country Link
US (1) US7944205B2 (en)
EP (1) EP2035852B1 (en)
JP (1) JP5254223B2 (en)
AT (1) ATE549636T1 (en)
FR (1) FR2902891B1 (en)
WO (1) WO2007148029A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0621036D0 (en) * 2006-10-23 2006-11-29 Univ Southampton Hall-effect angle sensor for solid-state NMR
DE102009014511B4 (en) * 2009-03-23 2023-10-05 Abb Schweiz Ag Arrangement for non-contact measurement of a position with a magneto-resistive sensor and method for its operation
CN102607734B (en) * 2011-12-14 2013-06-12 中国科学院电工研究所 Temperature measuring method and device based on nuclear magnetic resonance principle
US9529060B2 (en) 2014-01-09 2016-12-27 Allegro Microsystems, Llc Magnetoresistance element with improved response to magnetic fields
WO2016196157A1 (en) 2015-06-05 2016-12-08 Allegro Microsystems, Llc Spin valve magnetoresistance element with improved response to magnetic fields
US11022661B2 (en) 2017-05-19 2021-06-01 Allegro Microsystems, Llc Magnetoresistance element with increased operational range
US10620279B2 (en) 2017-05-19 2020-04-14 Allegro Microsystems, Llc Magnetoresistance element with increased operational range
US20220052565A1 (en) * 2020-08-15 2022-02-17 Aira, Inc. Resonant Reflection Device Detection
CN114035130B (en) * 2021-11-16 2024-02-27 苏州卡迪默克医疗器械有限公司 Method and device for testing magnetic field resolution of weak magnetic probe of superconducting magnetometer
US11719771B1 (en) 2022-06-02 2023-08-08 Allegro Microsystems, Llc Magnetoresistive sensor having seed layer hysteresis suppression

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
JP2569542B2 (en) * 1987-03-28 1997-01-08 株式会社日立製作所 Magnetic flux transmission circuit
DE3725718A1 (en) * 1987-08-04 1989-02-16 Bruker Analytische Messtechnik SAMPLE HEAD FOR NMR SPECTROMETER
JP3516481B2 (en) * 1994-05-24 2004-04-05 ジーイー横河メディカルシステム株式会社 RF coil of MRI system
US5508866A (en) * 1994-08-15 1996-04-16 International Business Machines Corporation Magnetoresistive sensor having exchange-coupled stabilization for transverse bias layer
US5825179A (en) * 1995-08-04 1998-10-20 Seagate Technology, Inc. Interference suppression subsystem
EP1588175B1 (en) * 2003-01-31 2007-03-14 Commissariat A L'energie Atomique Device for sensing rf field
JP4302063B2 (en) * 2003-01-31 2009-07-22 コミサリア、ア、レネルジ、アトミク Magnetic field sensing device
US7385400B2 (en) * 2004-03-01 2008-06-10 Pathfinder Energy Services, Inc. Azimuthally sensitive receiver array for an electromagnetic measurement tool
JP4499002B2 (en) * 2005-09-05 2010-07-07 富士通株式会社 Superconducting circuit
US8358128B2 (en) * 2008-11-28 2013-01-22 General Electric Company Surgical navigation system with magnetoresistance sensors

Also Published As

Publication number Publication date
EP2035852B1 (en) 2012-03-14
FR2902891B1 (en) 2008-12-12
US20090302843A1 (en) 2009-12-10
US7944205B2 (en) 2011-05-17
JP2009541730A (en) 2009-11-26
FR2902891A1 (en) 2007-12-28
EP2035852A1 (en) 2009-03-18
WO2007148029A1 (en) 2007-12-27
JP5254223B2 (en) 2013-08-07

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